/* 处理数量：除以10的12次方后保留12位小数 */
function retain12(num) {
	let res = (num / Math.pow(10, 12)).toFixed(12)
	return res
}

/* 日期格式化：标准时间 转 年月日时分秒 */
function formatTen(num) {
	return num > 9 ? (num + "") : ("0" + num);
}
function formatDate(date) {
	var date = new Date(date)
	var year = date.getFullYear();
	var month = date.getMonth() + 1;
	var day = date.getDate();
	var hour = date.getHours();
	var minute = date.getMinutes();
	var second = date.getSeconds();
	return year + "." + formatTen(month) + "." + formatTen(day) + " " + formatTen(hour) + ":" + formatTen(minute) + ":" + formatTen(second);
}

module.exports = {
	retain12,
	formatDate
}
